Synthesis of dendritic polyoxometalate complexes assembled by ionic bonding and their function as recoverable and reusable oxidation catalysts

Lauriane Plault; Andreas Hauseler; Sylvain Nlate; Didier Astruc; Jaime Ruiz; Sylvain Gatard; Ronny Neumann

doi:10.1002/anie.200453870

Synthesis of dendritic polyoxometalate complexes assembled by ionic bonding and their function as recoverable and reusable oxidation catalysts

Lauriane Plault, Andreas Hauseler, Sylvain Nlate, Didier Astruc^*, Jaime Ruiz, Sylvain Gatard, Ronny Neumann

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

126 Scopus citations

Abstract

Regenerable and reusable dendritic catalysts have been synthesized by the ionic assembly of polyammonium dendrimers and polyoxometalate (POM) trianionic units. These dendrimers (see example depicted, in which the POM is [PO ₄{WO(O₂)₂}₄]^3-) are found to catalyze, at ambient temperature, the quantitative epoxidation of olefins by H₂O₂ in water/ CDCl₃ and the selective and quantitative oxidation of thioanisole to its sulfone.

Original language	English
Pages (from-to)	2924-2928
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	43
Issue number	22
DOIs	https://doi.org/10.1002/anie.200453870
State	Published - 24 May 2004
Externally published	Yes

Keywords

Dendrimers
Epoxidation
Homogeneous catalysis
Polyoxometalates
Tungsten

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10.1002/anie.200453870

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abstract = "Regenerable and reusable dendritic catalysts have been synthesized by the ionic assembly of polyammonium dendrimers and polyoxometalate (POM) trianionic units. These dendrimers (see example depicted, in which the POM is [PO 4{WO(O2)2}4]3-) are found to catalyze, at ambient temperature, the quantitative epoxidation of olefins by H2O2 in water/ CDCl3 and the selective and quantitative oxidation of thioanisole to its sulfone.",

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AU - Plault, Lauriane

AU - Hauseler, Andreas

AU - Nlate, Sylvain

AU - Astruc, Didier

AU - Ruiz, Jaime

AU - Gatard, Sylvain

AU - Neumann, Ronny

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AB - Regenerable and reusable dendritic catalysts have been synthesized by the ionic assembly of polyammonium dendrimers and polyoxometalate (POM) trianionic units. These dendrimers (see example depicted, in which the POM is [PO 4{WO(O2)2}4]3-) are found to catalyze, at ambient temperature, the quantitative epoxidation of olefins by H2O2 in water/ CDCl3 and the selective and quantitative oxidation of thioanisole to its sulfone.

KW - Dendrimers

KW - Epoxidation

KW - Homogeneous catalysis

KW - Polyoxometalates

KW - Tungsten

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Synthesis of dendritic polyoxometalate complexes assembled by ionic bonding and their function as recoverable and reusable oxidation catalysts

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Keywords

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